cocaine http://michiganradio.org en Marijuana, ecstasy use rising among 8th graders, say U of M researchers http://michiganradio.org/post/marijuana-ecstasy-use-rising-among-8th-graders-say-u-m-researchers <p>&nbsp;<a href="http://www.umich.edu/">University of Michigan</a> researchers say drug use is rising among middle schoolers.&nbsp; &nbsp;They say it could be a ‘bell weather’ of problems ahead.&nbsp;&nbsp;</p> Tue, 14 Dec 2010 20:04:15 +0000 588 at http://michiganradio.org Marijuana, ecstasy use rising among 8th graders, say U of M researchers